Spodumene and Andradite Garnet Physical Properties

Spodumene

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.8-3.9

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

None

1.7 Mohs Hardness

6-76.5-7.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Ca₃Fe³⁺₂Si₃O₁₂

Spodumene and Andradite Garnet Chemical Formula

While comparing Spodumene and Andradite Garnet physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Spodumene and Andradite Garnet chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Spodumene and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.